Jayanta Hazarika (20 September 1943 – 15 October 1977) was an Indian singer and composer associated with Assamese music.

He started his musical career accompanying his brother and later made his name as singer and composer in his own right.

At the age of nine, Jayanta composed the melody for a song written by his elder brother, Nripen Hazarika.

Despite being the second youngest child, he was outlived by most of his siblings, including his eldest brother, who died 34 years later.

In 1963, Jayanta did his first playback singing with the song Sonar baran pakhire tor along with Shyamal Mitra for the movie 'Maniram Dewan'.

[1] In his brother Bhupen Hazarika's directorial venture 'Chikmik Bijuli', Jayanta composed his first song for a movie.

Jayanta composed and sang the song Mrityu xawati samadhi tolit in this movie where Bhupen Hazarika was the music director.

[1] In the year 1977, Jayanta Hazarika along with lyricist Nirmalprabha Bordoloi composed 17 songs for 5 plays by this theatre group in a span of 3 days between 13 and 16 September.

He accompanied his brother Bhupen Hazarika to sing in the 'International Conference of Political Music' held in Berlin on 14 February 1972.

[6] Jayanta Hazarika created music with a sophisticated mix of Traditional Assamese tunes along with Western instruments.

His deft fusion of western tunes gave his music a uniqueness not associated with Modern Assamese songs until then.

[4] The combination of Nirmalprabha Bordolo's lyrics and Jayanta Hazarika's composition are considered everlasting melodies of Assam.

On 13 August 1977 Xur Bahini went to Dibrugarh to raise faunds to help the treatment of Maghai Ojha.

("মই এতিয়া কথা ক'ম। কথা ক'ম মোৰ সুৰেৰে, মোৰ গীতেৰে। মই গীত গাবলৈ ওলাই আহিম আলিবাটলৈ, মঞ্চলৈ নহয়। মোৰ এই সুৰ বাহিনীৰ উদ্দেশ্য হ'ল ৰাইজৰ বিপদৰ সময়ত, দুৰ্যোগৰ সময়ত সুৰ বাহিনীয়ে ৰাইজৰ কাষত সদায়ে থিয় দিবগৈ। সংস্কৃতিৰ নামৰ দুষ্কৃতিৰ পোহাৰ মেলাসকলক সুৰ বাহিনীয়ে বাধা দিব সুৰেৰে গীতেৰে।") [3] Jayanta Hazarika worked as assistant music director with his brother Bhupen Hazarika for Maniram Dewan, Loti-Ghoti and Chikmik Bijuli.